Home / 75,451,724.20-113,177,586.30-72,581,942.80

Finding the Fourth Proportional to 75,451,724.20, 113,177,586.30 and 72,581,942.80

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Solution

The fourth proportional to 75,451,724.20, 113,177,586.30 and 72,581,942.80 is: 108,872,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,451,724.20 : 113,177,586.30 = 72,581,942.80 : x
  2. Step 2: Convert to fraction form
    75,451,724.20/113,177,586.30 = 72,581,942.80/x
  3. Step 3: Cross multiply
    75,451,724.20x = 113,177,586.30 × 72,581,942.80
  4. Step 4: Simplify right side
    75,451,724.20x = 8,214,649,095,068,663
  5. Step 5: Solve for x
    x = 8,214,649,095,068,663/75,451,724.20
  6. Step 6: Final answer
    x = 108,872,914.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.